Moro Morooka

Infection takes place in a dark, isolated hospital, where one doctors mistake has led to dire consequences for a patient. In a hospital death is just a breath away.

Shinji and Masaru spend most of their school days harassing fellow classmates and playing pranks. They drop out and Shinji becomes a small-time boxer, while Masaru joins up with a local yakuza gang. However, the world is a tough place.